Safety Relief Valve
1A30-01-V-2P-E-C-150
(NSN) National Stock Number
4820-00-545-0788
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
05488
Schedule B Code
8481400000
Summary
0.250 inches all ends nominal pipe size accommodated, right-hand all ends thread direction, piston flow control device, inside screw bonnet type, threaded bonnet attachment method, spring disk loading method
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 6 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | ZZ |
Identification
A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 05488 | A046B0 | 1 | 2 |
Specifications
Nominal Pipe Size Accommodated
0.250 inches all ends
Details
A measurement of the pipe size the item will accommodate.Thread Direction
right-hand all ends
Details
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.Flow Control Device
piston
Details
The part that controls the flow through the item.Bonnet Type
inside screw
Details
Indicates the type of housing on the item that accommodates the stem packing or spring.Bonnet Attachment Method
threaded
Details
The means by which the bonnet is attached to the item.Disk Loading Method
spring
Details
The means of closing the item when inlet pressure decreases.Valve Discharge Flow Rate
3.0 gallons per minute
Details
The rated valve discharge capacity per unit of time.Connection Style
plain,optional end(pipe) all ends
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.Valve Operation Method
automatic
Details
The means used to control the operation of the valve.Connection Type
threaded internal pipe all ends
Details
Indicates the type of connection/s/.Features Provided
pressure tight outlet side
Details
Those features,not otherwise specified,which may be required for proper functioning of the item.Thread Quantity Per Inch
18 all ends
Details
The number of threads on the item per linear inch measured on a line parallel to the thread axis.Adjustable Pressure Range
+150.0 to 3000.0 pounds per square inch
Details
The minimum to maximum pressures at which the item may be set to open.Maximum Operating Pressure
6000.0 pounds per square inch single response
Details
The maximum pressure at which the item is rated for operation.Nominal Thread Size
0.250 inches all ends
Details
A designation that is used for the purpose of general identification of the thread.Opening Pressure Setting
1500.0 pounds per square inch
Details
The predetermined pressure at which the item is calibrated to open.Special Features
w/two mtg holes 0.344 in. dia. thru body and pressure screw adjustment w/buna-n seals
Details
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.Material
aluminum alloy overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Media For Which Designed
oil, hydraulic single response
Details
The type of media for which the item is designed.Style Designator
angle
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.Thread Series Designator
nptf all ends
Details
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| 1A31F2-30S | 8Z296 | 3 | - | 5 | 9 | - | AX |
| 1A31F2-30SV | 8Z296 | 6 | - | 5 | 9 | - | ZZ |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | A | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 64490 | - | P | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 594 | Z | 9 |
Provided with every order
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Manufacturer
FAQs
Frequently asked questions for NSN 4820-00-545-0788
What is the NIIN of the NSN 4820-00-545-0788?
The National Item Identification Number (NIIN) of the NSN 4820-00-545-0788 is 00-545-0788
When the NSN 4820-00-545-0788 was assigned to the Federal Catalog?
It was assigned 50 years ago, on Wed, Oct 9, 1974
Does the NSN 4820-00-545-0788 contain any precious metals?
Does not contain precious metal
Does the NSN 4820-00-545-0788 contain any hazardous material?
No data in HMIRS
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